91997425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 130616640

約数和(自身を除く): 38619215

約数列:

[1, 5, 13, 25, 29, 43, 65, 145, 215, 227, 325, 377, 559, 725, 1075, 1135, 1247, 1885, 2795, 2951, 5675, 6235, 6583, 9425, 9761, 13975, 14755, 16211, 31175, 32915, 48805, 73775, 81055, 85579, 126893, 164575, 244025, 283069, 405275, 427895, 634465, 1415345, 2139475, 3172325, 3679897, 7076725, 18399485, 91997425]

約数ペア:

[(1, 91997425), (5, 18399485), (13, 7076725), (25, 3679897), (29, 3172325), (43, 2139475), (65, 1415345), (145, 634465), (215, 427895), (227, 405275), (325, 283069), (377, 244025), (559, 164575), (725, 126893), (1075, 85579), (1135, 81055), (1247, 73775), (1885, 48805), (2795, 32915), (2951, 31175), (5675, 16211), (6235, 14755), (6583, 13975), (9425, 9761)]